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About very simple design patterns, ui-dao-database, and JavaBean and Util tool classes

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About very simple design patterns, ui-dao-database, and JavaBean and Util tool classes
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A simple Java EE design pattern,

The UI accesses the database or XML document through the DAO layer, and the data returned by the database is encapsulated by JavaBean, and JavaBean is the mapping of the entity class to the table in the database.

DAO layer, Data persistence layer

JavaBean data Transfer object, entity class.

Other public classes

The diagram is the basic design pattern, and how to set up the corresponding package.

A simple example:

Student fields in the corresponding table of entity classes

DAO layer, Delete and change

Call the DAO layer method to implement the Add.

A simple process is complete.

The complete design pattern is described below

http://www.cnblogs.com/elleniou/archive/2012/09/23/2699155.html details about the design pattern.

About very simple design patterns, ui-dao-database, and JavaBean and Util tool classes

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Related Keywords:
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